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ATTENTION: Windows 10 users

Beta 2 build is now available!

If you just upgraded to Windows 10 or running build 10240 or greater of Win 10 pre-release you will need to download and install the new version of ZoneAlarm 14.0.157.000

ZA Pro no longer works after latest update

Two days ago, ZA Pro informed me that a new update was available. I downloaded it and installed it, but now, whenever the computer starts, I get an error message saying that zlclient.exe was unable to initialize (with error code 0xc0000005) and was being terminated. When I click the "OK" button, the same message pops up one more time. After that, nothing else happens, and ZA Pro is NOT running, leaving my computer unprotected.

The machine in question is running Windows XP Home SP3, with all the latest updates. It is also running the latest version of the free Avira Antivir.

I checked things out with HijackThis, but didn't see anything particularly suspicious.

Re: ZA Pro no longer works after latest update

Originally Posted by Kiba

Two days ago, ZA Pro informed me that a new update was available. I downloaded it and installed it, but now, whenever the computer starts, I get an error message saying that zlclient.exe was unable to initialize (with error code 0xc0000005) and was being terminated. When I click the "OK" button, the same message pops up one more time. After that, nothing else happens, and ZA Pro is NOT running, leaving my computer unprotected.

The machine in question is running Windows XP Home SP3, with all the latest updates. It is also running the latest version of the free Avira Antivir.

I checked things out with HijackThis, but didn't see anything particularly suspicious.

Not possible since, as I mentioned in my original message, ZA never gets that far. I did check the task manager, and vsmon.exe WAS running, however.

Originally Posted by GeorgeV

3. Reboot the Computer. So that vsmon.exe/TrueVector will be removed from Memory

Since #2 failed, I did a regular uninstall, rebooted into Safe Mode, removed all references to vsmon.exe from regedit, then rebooted again. After that, vsmon.exe was no longer running.

Originally Posted by GeorgeV

4.) Now use the new ZoneAlarm Removal Tool: Click here

"Error starting the application because vsutil.dll was not found. Reinstallation of the application may solve the problem."

Reinstalled ZA Pro, still got the (now expected) error mentioned in my original message. Rebooted to Safe Mode again, to eliminate vsmon.exe references again, rebooted, tried the removal tool again. This time, it worked with no error messages, and everything appeared to be gone.

Originally Posted by GeorgeV

5.) Now Install the new update (clean) and Accept the default Setting, Auto-Learn Mode and Choose Trusted Zone, not Internet Zone..-

Tried the clean installation using the freshly downloaded installer, and still got the 0xc0000005 error for zlclient.exe as reported in my original message. Thus, I am back where I began.

Re: ZA Pro no longer works after latest update

Not possible since, as I mentioned in my original message, ZA never gets that far. I did check the task manager, and vsmon.exe WAS running, however.

Since #2 failed, I did a regular uninstall, rebooted into Safe Mode, removed all references to vsmon.exe from regedit, then rebooted again. After that, vsmon.exe was no longer running.

"Error starting the application because vsutil.dll was not found. Reinstallation of the application may solve the problem."

Reinstalled ZA Pro, still got the (now expected) error mentioned in my original message. Rebooted to Safe Mode again, to eliminate vsmon.exe references again, rebooted, tried the removal tool again. This time, it worked with no error messages, and everything appeared to be gone.

Tried the clean installation using the freshly downloaded installer, and still got the 0xc0000005 error for zlclient.exe as reported in my original message. Thus, I am back where I began.

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